1100320313 has 4 divisors (see below), whose sum is σ = 1115393268. Its totient is φ = 1085247360.

The previous prime is 1100320303. The next prime is 1100320327. The reversal of 1100320313 is 3130230011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 208282624 + 892037689 = 14432^2 + 29867^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100320313 - 2¹⁰ = 1100319289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100320303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7536368 + ... + 7536513.

It is an arithmetic number, because the mean of its divisors is an integer number (278848317).

Almost surely, 2^1100320313 is an apocalyptic number.

It is an amenable number.

1100320313 is a deficient number, since it is larger than the sum of its proper divisors (15072955).

1100320313 is an equidigital number, since it uses as much as digits as its factorization.

1100320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15072954.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1100320313 is about 33171.0764522347. The cubic root of 1100320313 is about 1032.3803035325.

Adding to 1100320313 its reverse (3130230011), we get a palindrome (4230550324).

The spelling of 1100320313 in words is "one billion, one hundred million, three hundred twenty thousand, three hundred thirteen".